4001553255 has 128 divisors (see below), whose sum is σ = 7803371520. Its totient is φ = 1712632320.

The previous prime is 4001553161. The next prime is 4001553263. The reversal of 4001553255 is 5523551004.

It is a happy number.

It is not a de Polignac number, because 4001553255 - 2⁸ = 4001552999 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 17944074 + ... + 17944296.

It is an arithmetic number, because the mean of its divisors is an integer number (60963840).

Almost surely, 2^4001553255 is an apocalyptic number.

4001553255 is a deficient number, since it is larger than the sum of its proper divisors (3801818265).

4001553255 is a wasteful number, since it uses less digits than its factorization.

4001553255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421.

The product of its (nonzero) digits is 15000, while the sum is 30.

The square root of 4001553255 is about 63257.8315704862. The cubic root of 4001553255 is about 1587.6064952634.

The spelling of 4001553255 in words is "four billion, one million, five hundred fifty-three thousand, two hundred fifty-five".